3128455168 has 52 divisors (see below), whose sum is σ = 6374629368. Its totient is φ = 1534607360.

The previous prime is 3128455163. The next prime is 3128455177. The reversal of 3128455168 is 8615548213.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3128455163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209883 + ... + 224293.

Almost surely, 2^3128455168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3128455168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3187314684).

3128455168 is an abundant number, since it is smaller than the sum of its proper divisors (3246174200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3128455168 is an equidigital number, since it uses as much as digits as its factorization.

3128455168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14488 (or 14466 counting only the distinct ones).

The product of its digits is 230400, while the sum is 43.

The square root of 3128455168 is about 55932.5948620301. The cubic root of 3128455168 is about 1462.5474958447.

The spelling of 3128455168 in words is "three billion, one hundred twenty-eight million, four hundred fifty-five thousand, one hundred sixty-eight".